4,5-二氢-4-羟基-6-苯基-3(2H)-哒嗪酮

3,4-二氯-6-苯基哒嗪

2-benzyl-6-phenyl-4,5-dihydropyridazin-3-one

ethyl 2-(4-nitrobenzoyl)-4-oxo-4-phenylbut-2-enoate

ethyl 2-(4-methoxybenzoyl)-4-oxo-4-phenylbut-2-enoate